光纤激光陀螺线宽压缩技术中滤波器的结构设计与分析

Analyse and design of Fabry-Perot filter used in compressing laser spectrum linewidth on fiber laser gyroscope

研究了光纤激光陀螺系统中滤波器对激光光谱线宽压缩的影响。在理论分析的基础上,提出了用于光纤激光陀螺的Fabry Perot腔滤波器的方案,并进行了结构设计。试验证明FP腔滤波器可以达到满意的滤波效果。

The influence of filter in compressing laser spectrum line-width on the system of fiber laser gyroscope is analyzed. Based on theoretic analysis, a type of filter of Fabry-Perot cavity is propsed. The structure is designed, optimum and parameters are determined. The result of the analyses is demonstrated by experiments.